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# UI Designer

- **Company:** Keystone Solutions
- **Location:** Brussel, Belgium
- **Experience:** Starter
- **Contract:** Permanent contract
- **Skills:** Web Accessibility, Agile Methodology, Business Software, Design of User Interfaces, Scrum Methodology, Responsive Web Design, Web Content Accessibility Guidelines, Website Wireframe, Color Theory
- **Published:** October 21, 2026
- **Apply:** https://www.adzuna.be/details/5937570279

## About the Role

* Proven experience in UI Design for web or business applications.
 * Mastery of Agile methodologies (Scrum, Kanban).
 * Excellent communication, listening, and collaboration skills with developers (UI hand-off).
 * Ability to translate concepts and functional journeys into clear, modern, user-centered visual interfaces.
 * Expertise in creating graphic charters, typography, iconography, and interface components (UI kits).
 * Mastery of composition rules, color theory, and visual hierarchy.
 * Skills or sensitivity in UX Design (user research, wireframing) are a major asset.

## Description

As part of the evolution of our clients business applications, we are seeking a UI Designer to create user-friendly, consistent, and accessible interfaces. This position is a consultancy mission at a client site representing Keystone Solutions, where you will collaborate closely with business, product, and development teams., * Design the visual identity of interfaces, high-fidelity mockups, and interactive prototypes.

 * Ensure graphic consistency, digital accessibility (WCAG standards), and adaptability (responsive design) of applications.
 * Translate user journeys and wireframes into final interfaces ready for development.
 * Create, maintain, and evolve the Design System and UI standards.
 * Actively participate in user testing and contribute to the synthesis of results to optimize interfaces.
 * Collaborate with Product Owners, Business Analysts, UX Designers, and development teams in an Agile environment.
 * Integrate the framework provided by management, enterprise architects, or business analysts into visual design.